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1121X1X121222111
112X112121212111
112XX12121221111
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1X21X12121212111
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1X2XX1X121211111
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X121X12121211111
X12X11X121221111
X12XX1X121212111
XX2111X121212111
XX21X1X121221111
XX2X112121211111
XX2XX12121222111
2121112121222111
2121X12121211111
212X11X121221111
212XX1X121212111
2X2111X121212111
2X21X1X121221111
2X2X112121211111
2X2XX12121222111
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XX2111212X121X11
XX21211X2121X111
XX2121212X121X11
